Cùl Beag weather forecast.

A wild day on Cùl Beag: summit wind broadly 15-40 mph, with gusts 40-50 mph during the evening (gale-force winds). Much calmer lower down - generally 5-15 mph in the valley, rising towards the tops. Cloud base 500-900 m - the top is likely to drift in and out of cloud, with the best chance of a view from late morning into midday. Cloud will be lowest on the W slopes, down to about 500-800 m; the E side should be clearer, lifting to around 700-1000 m. Some rain is likely, with around 2-5 mm indicated; timing and local totals remain uncertain. Cold on top: air temperature broadly 4 to 8°C, feeling around -2 to 2°C in the wind - wrap up. Confidence moderate (ensemble members show a moderate spread) - the summit peak could reasonably be 28-38 mph, so treat the headline as mid-range.

A rough, clagged-in day on Cùl Beag: summit wind broadly 45-60 mph, with gusts 75-85 mph during the evening (storm-force winds). Much calmer lower down - generally 15-25 mph in the valley, rising towards the tops. Cloud base 300-600 m - expect the top to stay in cloud for most or all of the day, with no dependable break. Cloud will be lowest on the SW slopes, down to about 100-400 m; the NE side should be clearer, lifting to around 600-900 m. A persistently wet day is possible, with around 10-20 mm indicated; local totals could vary considerably. Cold on top: air temperature broadly 6 to 10°C, feeling around -2 to 2°C in the wind - wrap up. Confidence moderate (ensemble members show a moderate spread) - the summit peak could reasonably be 48-66 mph, so treat the headline as mid-range.

A rough, clagged-in day on Cùl Beag: summit wind broadly 40-60 mph, with gusts 70-80 mph early in the morning (storm-force winds). Much calmer lower down - generally 10-20 mph in the valley, rising towards the tops. Cloud base 300-600 m - expect the top to stay in cloud for most or all of the day, with no dependable break. Cloud will be lowest on the SW slopes, down to about 300-600 m; the NE side should be clearer, lifting to around 700-1000 m. A persistently wet day is possible, with around 20-40 mm indicated; local totals could vary considerably. Confidence moderate (ensemble members show a moderate spread) - the summit peak could reasonably be 40-62 mph, so treat the headline as mid-range.

A rough, clagged-in day on Cùl Beag: summit wind broadly 25-40 mph, with gusts 45-55 mph around midday (gale-force winds). Much calmer lower down - generally 10-20 mph in the valley, rising towards the tops. Cloud base 400-800 m - expect the top to stay in cloud for most or all of the day, with no dependable break. Cloud will be lowest on the W slopes, down to about 400-700 m; the E side should be clearer, lifting to around 700-1000 m. Some rain is likely, with around 5-10 mm indicated; timing and local totals remain uncertain. Cold on top: air temperature broadly 4 to 8°C, feeling around 0 to 4°C in the wind - wrap up. Confidence moderate (ensemble members show a moderate spread) - the summit peak could reasonably be 25-47 mph, so treat the headline as mid-range.

A grey, cloudy day on Cùl Beag: summit wind broadly 5-20 mph, with gusts 15-25 mph early in the morning (fresh and blowy). Cloud base 500-900 m - the top is likely to drift in and out of cloud, with the best chance of a view from late afternoon into the evening. Little or no rain expected. Cold on top: air temperature broadly 4 to 8°C, feeling around 0 to 4°C in the wind - wrap up. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 7 to 27 mph; check again nearer the time.

A mixed day on Cùl Beag: summit wind broadly 10-30 mph, with gusts 30-40 mph during the evening (strong winds). Much calmer lower down - generally 0-10 mph in the valley, rising towards the tops. Cloud base 700-2100 m - the top is likely to drift in and out of cloud, with the best chance of a view from the morning into the evening. The cloud base is very changeable today - it could sit much higher or lower than that at times, so read the sky. Little or no rain expected. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 16 to 35 mph; check again nearer the time. Cloud base is the least certain part of this - the models are only moderately agreed, so it could sit a couple of hundred metres either way.

A wild day on Cùl Beag: summit wind broadly 30-40 mph, with gusts 45-55 mph during the evening (gale-force winds). Much calmer lower down - generally 5-15 mph in the valley, rising towards the tops. Cloud base 700-1500 m - the top is likely to drift in and out of cloud, with the best chance of a view from early morning into around midday. The cloud base is very changeable today - it could sit much higher or lower than that at times, so read the sky. Cloud will be lowest on the S slopes, down to about 600-900 m; the N side should be clearer, lifting to around 1000-1300 m. Some rain is likely, with up to around 2 mm indicated; timing and local totals remain uncertain. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 14 to 72 mph; check again nearer the time.